CA2440562C - Composite electrode for a plasma arc torch - Google Patents

Composite electrode for a plasma arc torch Download PDF

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Publication number
CA2440562C
CA2440562C CA2440562A CA2440562A CA2440562C CA 2440562 C CA2440562 C CA 2440562C CA 2440562 A CA2440562 A CA 2440562A CA 2440562 A CA2440562 A CA 2440562A CA 2440562 C CA2440562 C CA 2440562C
Authority
CA
Canada
Prior art keywords
electrode
mating surface
forward portion
metallic material
composite electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2440562A
Other languages
English (en)
French (fr)
Other versions
CA2440562A1 (en
Inventor
David J. Cook
Kirk H. Ferland
Charles M. Hackett
Yong Yang
Richard W. Couch
Zhipeng Lu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hypertherm Inc
Original Assignee
Hypertherm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23049794&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2440562(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hypertherm Inc filed Critical Hypertherm Inc
Publication of CA2440562A1 publication Critical patent/CA2440562A1/en
Application granted granted Critical
Publication of CA2440562C publication Critical patent/CA2440562C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3436—Hollow cathodes with internal coolant flow
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0211—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in cutting
    • B23K35/0216—Rods, electrodes, wires
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3442—Cathodes with inserted tip
CA2440562A 2001-03-09 2002-03-08 Composite electrode for a plasma arc torch Expired - Lifetime CA2440562C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US27483701P 2001-03-09 2001-03-09
US60/274,837 2001-03-09
PCT/US2002/007064 WO2002074023A2 (en) 2001-03-09 2002-03-08 Composite electrode for a plasma arc torch

Publications (2)

Publication Number Publication Date
CA2440562A1 CA2440562A1 (en) 2002-09-19
CA2440562C true CA2440562C (en) 2012-10-23

Family

ID=23049794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2440562A Expired - Lifetime CA2440562C (en) 2001-03-09 2002-03-08 Composite electrode for a plasma arc torch

Country Status (6)

Country Link
US (4) US6841754B2 (de)
EP (1) EP1369000B1 (de)
JP (1) JP2004527878A (de)
KR (2) KR100933480B1 (de)
CA (1) CA2440562C (de)
WO (1) WO2002074023A2 (de)

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CN101204123B (zh) 2005-04-19 2011-10-05 海别得公司 提供斜角屏蔽流喷射的等离子体弧气炬

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WO2002074023A3 (en) 2003-01-03
CA2440562A1 (en) 2002-09-19
US20050067387A1 (en) 2005-03-31
EP1369000A2 (de) 2003-12-10
JP2004527878A (ja) 2004-09-09
US20020125224A1 (en) 2002-09-12
KR100909330B1 (ko) 2009-07-24
USRE46925E1 (en) 2018-06-26
US20060289407A1 (en) 2006-12-28
KR20090007801A (ko) 2009-01-20
KR100933480B1 (ko) 2009-12-23
KR20030081515A (ko) 2003-10-17
US6841754B2 (en) 2005-01-11
EP1369000B1 (de) 2012-04-18
US7659488B2 (en) 2010-02-09

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